import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import router,{ resetRouter,constantRoutes,asyncRoutes,anyRoutes } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    roles: [],
    routes: [],
    buttons: [],
    resultRoutes:[]
    
  }
}

function getUserRoutes(asyncRoutes, userRoutes) { 
  // console.log(asyncRoutes);
  // console.log(userRoutes);
  let res =  asyncRoutes.filter(item => { 
    if (userRoutes.indexOf(item.name)!=-1) { 
      if (item.children&&item.children.length>0) { 
        item.children = getUserRoutes(item.children,userRoutes)
      }
      return true;
    }
  
  })

  // console.log(res);
  return res;
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_INFO(state, data) {
    state.buttons = data.buttons
    state.routes = data.routes
    state.roles = data.roles
  },
  SET_USER_ROUTES(state, userRoutes) { 
    state.resultRoutes = state.resultRoutes.concat(constantRoutes,userRoutes,anyRoutes)
    router.addRoutes(state.resultRoutes);
  }
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password }).then(response => {
        // console.log(response);
        const { data } = response
        commit('SET_TOKEN', data.token)
        setToken(data.token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const { name, avatar } = data
        // console.log(data);
        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        commit('SET_INFO', data)
        commit('SET_USER_ROUTES',getUserRoutes(asyncRoutes,data.routes))
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

